2678001 has 4 divisors (see below), whose sum is σ = 3570672. Its totient is φ = 1785332.

The previous prime is 2677973. The next prime is 2678009. The reversal of 2678001 is 1008762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2678001 - 2⁶ = 2677937 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2678009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446331 + ... + 446336.

It is an arithmetic number, because the mean of its divisors is an integer number (892668).

2^2678001 is an apocalyptic number.

It is an amenable number.

2678001 is a deficient number, since it is larger than the sum of its proper divisors (892671).

2678001 is an equidigital number, since it uses as much as digits as its factorization.

2678001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892670.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2678001 is about 1636.4598986837. The cubic root of 2678001 is about 138.8684468640.

The spelling of 2678001 in words is "two million, six hundred seventy-eight thousand, one".